Centrally create your company signature template and let your users fill in their details to directly mail merge your template with their details into Gmail.
Full details here - https://gmailsignaturetool.guideme.cloud/
1. Design your template
Create your signature and decide upon which fields you want your users to be able to merge.
2. Sign up and Setup
Send the template to us and sign up.
Or simply email us with your existing signature, and we will do the rest
3. Inform your users
Inform your users where to visit, and the rest is taken care of by the tool. Your organisation will quickly have a consistent branding across all of it's gmail users.
Free trial and reasonably price plus large educational discount.